GMPartsGiant.com offers the wholesale prices for genuine 2023 Cadillac Escalade 4WD parts. Parts like Wiring Harness/Lift Gate are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.0L Diesel, 8 Cyl 5.3L, 8 Cyl 6.2L. Model Code: .